Log Voyager

Log Voyager

Open and analyze huge log files directly in your browser

hsr
@hsr
Published on Mar 11, 2026
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Web

About Log Voyager

Log Voyager allows you to open log files exceeding 10GB in size without crashing your browser. You can enjoy 100% privacy because there is zero uploading involved; all processing happens locally on your machine. This tool provides you with instant search capabilities and automatic JSON formatting to make log analysis more efficient. It is a free and open-source solution designed for developers and system administrators who need a fast, secure way to inspect large datasets.

Product Insights

Log Voyager is a web-based, open-source tool for local log analysis that handles files exceeding 10GB. It combines privacy-focused client-side processing with high-performance search and automatic JSON formatting.

  • Supports opening files larger than 10GB directly in the web browser.
  • Ensures 100% data privacy by processing all logs locally without server uploads.
  • Provides automatic JSON formatting for organized data inspection.
  • Offers instant search capabilities across large datasets.

Ideal for: Developers and DevOps Engineers who require a secure, local-first solution for inspecting large backend log files and debugging system data.

Product Video

Watch a video demo of Log Voyager.

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Comments (1)

hsr
@hsr

I built Log Voyager to solve a common DevOps headache: viewing massive log files without crashing the browser.

hsr
@hsr

@hsr there's the code: https://github.com/hsr88/log-voyager